Derivatives designated as cash flow hedges narrative (Details) (USD $)			0 Months Ended			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Nov. 25, 2013 Hedging Instrument [Member]	Oct. 23, 2010 Hedging Instrument [Member]	Dec. 31, 2010 Hedging Instrument [Member]	Sep. 30, 2014 Hedging Instrument [Member] Operating Expense [Member]	Nov. 25, 2013 Hedging Instrument [Member] Interest Rate Swap 2 [Member]	Sep. 30, 2014 Hedging Instrument [Member] Pay fixed - receive floating interest rate swap [Member]	Dec. 31, 2013 Hedging Instrument [Member] Pay fixed - receive floating interest rate swap [Member]
Derivative [Line Items]
Pay rate					2.59%		1.43%	2.59%	2.59%
Notional Amount	$ 8,122,000	$ 8,470,000			$ 5,200,000		$ 10,000,000	$ 5,155,000	$ 5,155,000
Term			5 years	10 years
Loss on Cash Flow Hedge Ineffectiveness						0
Amounts included in accumulated other comprehensive income as unrealized losses								$ 55,800	$ 29,100